/* ============================================================
   AccounPro - Main Application Styles
   ============================================================ */

:root {
  --primary:       #2563eb;
  --primary-dark:  #1d4ed8;
  --primary-light: #dbeafe;
  --secondary:     #64748b;
  --success:       #059669;
  --danger:        #dc2626;
  --warning:       #d97706;
  --info:          #0284c7;
  --dark:          #1e293b;
  --light:         #f8fafc;
  --border:        #e2e8f0;
  --text:          #334155;
  --text-muted:    #94a3b8;
  --sidebar-w:     260px;
  --topbar-h:      64px;
  --radius:        8px;
  --shadow:        0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:     0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -1px rgba(0,0,0,.06);
  --shadow-lg:     0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -2px rgba(0,0,0,.05);
}

*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 14px;
  color: var(--text);
  background: #f1f5f9;
  line-height: 1.6;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }

/* ============================================================
   LAYOUT
   ============================================================ */
.app-wrapper {
  display: flex;
  min-height: 100vh;
}

/* SIDEBAR */
.sidebar {
  width: var(--sidebar-w);
  background: var(--dark);
  color: #cbd5e1;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  overflow-y: auto;
  transition: transform .25s ease;
}

.sidebar-logo {
  padding: 20px 24px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar-logo .logo-icon {
  width: 36px; height: 36px;
  background: var(--primary);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  flex-shrink: 0;
}

.sidebar-logo .logo-text {
  font-size: 18px;
  font-weight: 700;
  color: #f1f5f9;
  letter-spacing: -.3px;
}

.sidebar-logo .logo-sub {
  font-size: 11px;
  color: var(--text-muted);
}

.sidebar-section {
  padding: 20px 0 8px;
}

.sidebar-section-label {
  padding: 0 16px 8px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .8px;
  color: #475569;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  color: #94a3b8;
  border-radius: 6px;
  margin: 1px 8px;
  font-size: 13.5px;
  font-weight: 500;
  transition: all .15s;
  cursor: pointer;
}

.sidebar-link:hover {
  background: rgba(255,255,255,.06);
  color: #e2e8f0;
}

.sidebar-link.active {
  background: var(--primary);
  color: #fff;
}

.sidebar-link i {
  width: 18px;
  text-align: center;
  font-size: 15px;
  flex-shrink: 0;
}

.sidebar-link .badge-count {
  margin-left: auto;
  background: var(--danger);
  color: #fff;
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 10px;
  font-weight: 700;
}

.sidebar-footer {
  margin-top: auto;
  padding: 16px;
  border-top: 1px solid rgba(255,255,255,.08);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 8px;
  border-radius: 8px;
  transition: background .15s;
  cursor: pointer;
}

.sidebar-user:hover { background: rgba(255,255,255,.06); }

.sidebar-user .avatar {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 13px;
  flex-shrink: 0;
}

.sidebar-user .user-info .name { color: #e2e8f0; font-size: 13px; font-weight: 600; }
.sidebar-user .user-info .role { color: #64748b; font-size: 11px; }

/* TOPBAR */
.topbar {
  height: var(--topbar-h);
  background: #fff;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
}

.topbar-spacer { flex: 1; }

.topbar-actions { display: flex; align-items: center; gap: 8px; }

.topbar-btn {
  width: 36px; height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent;
  display: flex; align-items: center; justify-content: center;
  color: var(--secondary);
  cursor: pointer;
  transition: all .15s;
  font-size: 15px;
}

.topbar-btn:hover { background: var(--light); color: var(--dark); }

/* MAIN CONTENT */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.page-content {
  padding: 24px;
  flex: 1;
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
}

.card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--dark);
  flex: 1;
}

.card-body { padding: 20px; }

/* ============================================================
   STATS CARDS
   ============================================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow);
}

.stat-icon {
  width: 48px; height: 48px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.stat-icon.blue   { background: #dbeafe; color: var(--primary); }
.stat-icon.green  { background: #d1fae5; color: var(--success); }
.stat-icon.amber  { background: #fef3c7; color: var(--warning); }
.stat-icon.red    { background: #fee2e2; color: var(--danger); }
.stat-icon.purple { background: #ede9fe; color: #7c3aed; }

.stat-value { font-size: 24px; font-weight: 700; color: var(--dark); line-height: 1.2; }
.stat-label { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.stat-change { font-size: 11px; margin-top: 4px; }
.stat-change.up   { color: var(--success); }
.stat-change.down { color: var(--danger); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 13.5px;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .15s;
  text-decoration: none;
  line-height: 1.4;
  white-space: nowrap;
}

.btn:hover { text-decoration: none; }
.btn:focus { outline: 2px solid var(--primary); outline-offset: 2px; }

.btn-primary   { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; }

.btn-success   { background: var(--success); color: #fff; border-color: var(--success); }
.btn-success:hover { background: #047857; color: #fff; }

.btn-danger    { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-danger:hover { background: #b91c1c; color: #fff; }

.btn-warning   { background: var(--warning); color: #fff; border-color: var(--warning); }
.btn-warning:hover { background: #b45309; color: #fff; }

.btn-secondary { background: #fff; color: var(--secondary); border-color: var(--border); }
.btn-secondary:hover { background: var(--light); color: var(--dark); }

.btn-info      { background: var(--info); color: #fff; border-color: var(--info); }
.btn-info:hover { background: #0369a1; color: #fff; }

.btn-sm  { padding: 5px 12px; font-size: 12px; }
.btn-lg  { padding: 11px 22px; font-size: 15px; }
.btn-icon { padding: 8px; }

.btn-outline-primary { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline-primary:hover { background: var(--primary); color: #fff; }

/* ============================================================
   FORMS
   ============================================================ */
.form-group { margin-bottom: 16px; }

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--dark);
  margin-bottom: 6px;
}

.form-label .required { color: var(--danger); margin-left: 3px; }

.form-control {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13.5px;
  color: var(--text);
  background: #fff;
  transition: border-color .15s, box-shadow .15s;
  font-family: inherit;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.1);
}

.form-control:disabled { background: #f8fafc; cursor: not-allowed; }

.form-control.is-invalid { border-color: var(--danger); }
.form-control.is-invalid:focus { box-shadow: 0 0 0 3px rgba(220,38,38,.1); }

.invalid-feedback { font-size: 12px; color: var(--danger); margin-top: 4px; }

select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 80px; }

.form-row {
  display: grid;
  gap: 16px;
}
.form-row-2 { grid-template-columns: 1fr 1fr; }
.form-row-3 { grid-template-columns: 1fr 1fr 1fr; }
.form-row-4 { grid-template-columns: 1fr 1fr 1fr 1fr; }

.input-group {
  display: flex;
  align-items: stretch;
}

.input-group-text {
  padding: 9px 12px;
  background: #f8fafc;
  border: 1px solid var(--border);
  border-right: none;
  border-radius: 6px 0 0 6px;
  font-size: 13px;
  color: var(--secondary);
  white-space: nowrap;
}

.input-group .form-control:not(:first-child) {
  border-radius: 0 6px 6px 0;
}

/* ============================================================
   TABLES
   ============================================================ */
.table-wrapper {
  overflow-x: auto;
}

table.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}

table.table th {
  padding: 10px 14px;
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--text-muted);
  background: #f8fafc;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

table.table td {
  padding: 12px 14px;
  border-bottom: 1px solid #f1f5f9;
  vertical-align: middle;
  color: var(--text);
}

table.table tr:last-child td { border-bottom: none; }
table.table tr:hover td { background: #fafafa; }
table.table .actions { display: flex; gap: 6px; align-items: center; }
table.table .text-right { text-align: right; }
table.table .text-center { text-align: center; }

/* ============================================================
   BADGES
   ============================================================ */
.badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: capitalize;
}

.badge-primary   { background: var(--primary-light); color: var(--primary); }
.badge-success   { background: #d1fae5; color: var(--success); }
.badge-danger    { background: #fee2e2; color: var(--danger); }
.badge-warning   { background: #fef3c7; color: var(--warning); }
.badge-info      { background: #e0f2fe; color: var(--info); }
.badge-secondary { background: #f1f5f9; color: var(--secondary); }
.badge-dark      { background: #e2e8f0; color: var(--dark); }

/* ============================================================
   ALERTS / FLASH MESSAGES
   ============================================================ */
.alert {
  padding: 12px 16px;
  border-radius: 6px;
  font-size: 13.5px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 16px;
  border: 1px solid transparent;
}

.alert i { font-size: 16px; flex-shrink: 0; margin-top: 1px; }

.alert-success { background: #d1fae5; color: #065f46; border-color: #a7f3d0; }
.alert-danger  { background: #fee2e2; color: #991b1b; border-color: #fca5a5; }
.alert-warning { background: #fef3c7; color: #92400e; border-color: #fcd34d; }
.alert-info    { background: #e0f2fe; color: #075985; border-color: #7dd3fc; }

/* ============================================================
   PAGE HEADER
   ============================================================ */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.page-header-left h1 {
  font-size: 22px;
  font-weight: 700;
  color: var(--dark);
  line-height: 1.2;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
  list-style: none;
}

.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: var(--border); }

/* ============================================================
   LINE ITEMS (Quotations / Invoices)
   ============================================================ */
.line-items-table {
  width: 100%;
  border-collapse: collapse;
}

.line-items-table th {
  padding: 8px 10px;
  background: #f8fafc;
  border: 1px solid var(--border);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
}

.line-items-table td {
  padding: 6px 8px;
  border: 1px solid #f1f5f9;
  vertical-align: top;
}

.line-items-table .col-desc  { width: 45%; }
.line-items-table .col-qty   { width: 10%; }
.line-items-table .col-unit  { width: 10%; }
.line-items-table .col-price { width: 15%; }
.line-items-table .col-total { width: 15%; }
.line-items-table .col-del   { width: 5%; }

.totals-section {
  margin-top: 16px;
  display: flex;
  justify-content: flex-end;
}

.totals-table { min-width: 300px; }

.totals-table td { padding: 6px 12px; font-size: 13.5px; }
.totals-table .total-row td { font-weight: 700; font-size: 16px; border-top: 2px solid var(--border); }
.totals-table td:last-child { text-align: right; min-width: 100px; }

/* ============================================================
   MODAL
   ============================================================ */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.modal-overlay.active { display: flex; }

.modal {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  width: 90%;
  max-width: 560px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  animation: modalIn .2s ease;
}

.modal-lg { max-width: 800px; }

@keyframes modalIn {
  from { opacity: 0; transform: scale(.95) translateY(-10px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
}

.modal-title { font-size: 15px; font-weight: 600; color: var(--dark); flex: 1; }

.modal-close {
  width: 28px; height: 28px;
  border-radius: 6px;
  border: none;
  background: transparent;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  color: var(--text-muted);
  transition: all .15s;
}

.modal-close:hover { background: var(--light); color: var(--dark); }

.modal-body { padding: 20px; overflow-y: auto; flex: 1; }
.modal-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

/* ============================================================
   TABS
   ============================================================ */
.tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
  gap: 4px;
}

.tab-btn {
  padding: 10px 16px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-muted);
  border: none;
  background: transparent;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all .15s;
  margin-bottom: -1px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.tab-btn:hover { color: var(--primary); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ============================================================
   PAGINATION
   ============================================================ */
.pagination {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 16px;
}

.page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px; height: 32px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
  transition: all .15s;
  text-decoration: none;
}

.page-link:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.page-link.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.page-link.disabled { opacity: .4; pointer-events: none; }

/* ============================================================
   SEARCH & FILTER BAR
   ============================================================ */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.search-input-wrapper {
  position: relative;
  flex: 1;
  min-width: 200px;
}

.search-input-wrapper i {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 14px;
}

.search-input-wrapper input {
  padding-left: 32px;
}

/* ============================================================
   PRINT VIEW
   ============================================================ */
.print-doc {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px;
  background: #fff;
  font-size: 13.5px;
  color: #1e293b;
}

.print-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 2px solid var(--border);
}

.doc-number {
  font-size: 28px;
  font-weight: 800;
  color: var(--primary);
}

.doc-status-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
}

/* ============================================================
   UTILITIES
   ============================================================ */
.d-flex { display: flex; }
.align-items-center { align-items: center; }
.justify-content-between { justify-content: space-between; }
.justify-content-end { justify-content: flex-end; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.flex-1 { flex: 1; }
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-primary { color: var(--primary); }
.fw-bold { font-weight: 700; }
.fw-semibold { font-weight: 600; }
.fs-sm { font-size: 12px; }
.fs-lg { font-size: 16px; }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.p-0 { padding: 0; }
.w-100 { width: 100%; }
.empty-state {
  padding: 48px 24px;
  text-align: center;
  color: var(--text-muted);
}
.empty-state i { font-size: 48px; margin-bottom: 12px; color: #cbd5e1; }
.empty-state p { font-size: 14px; }

/* ============================================================
   DIVIDER
   ============================================================ */
.divider { border: none; border-top: 1px solid var(--border); margin: 16px 0; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .form-row-2, .form-row-3, .form-row-4 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .page-header { flex-direction: column; align-items: flex-start; }
}

@media print {
  .sidebar, .topbar, .no-print { display: none !important; }
  .main-content { margin-left: 0; }
  body { background: #fff; }
}